CVE-2007-4135

CVE-2007-4135 is a medium-severity vulnerability in Nfsv4 Nfsidmap with a CVSS 2.0 base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The NFSv4 ID mapper (nfsidmap) before 0.17 does not properly handle return values from the getpwnam_r function when performing a username lookup, which can cause it to report a file as being owned by "root" instead of "nobody" if the file exists on the server but not on the client.

Frequently asked questions

What is CVE-2007-4135?
The NFSv4 ID mapper (nfsidmap) before 0.17 does not properly handle return values from the getpwnam_r function when performing a username lookup, which can cause it to report a file as being owned by "root" instead of "nobody" if the file exists on the server but not on the client.
How severe is CVE-2007-4135?
CVE-2007-4135 has a CVSS 2.0 base score of 6.2, rated medium severity.
Is CVE-2007-4135 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4135?
CVE-2007-4135 affects Nfsv4 Nfsidmap. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4135?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4135 published?
CVE-2007-4135 was published on 2007-09-05 and last updated on 2026-06-16.

References

Affected products (1)